315042520233 has 128 divisors (see below), whose sum is σ = 516806148096. Its totient is φ = 166911840000.

The previous prime is 315042520229. The next prime is 315042520253. The reversal of 315042520233 is 332025240513.

It is not a de Polignac number, because 315042520233 - 2² = 315042520229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315042520233.

It is not an unprimeable number, because it can be changed into a prime (315042520253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 646904316 + ... + 646904802.

It is an arithmetic number, because the mean of its divisors is an integer number (4037548032).

Almost surely, 2^315042520233 is an apocalyptic number.

It is an amenable number.

315042520233 is a deficient number, since it is larger than the sum of its proper divisors (201763627863).

315042520233 is a wasteful number, since it uses less digits than its factorization.

315042520233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 315042520233 its reverse (332025240513), we get a palindrome (647067760746).

The spelling of 315042520233 in words is "three hundred fifteen billion, forty-two million, five hundred twenty thousand, two hundred thirty-three".